Yesterday in Coldwater Canyon Park in LA, Gwen Stefani & Gavin Rossdale's oldest son, Kingston went on a play date with Ruby Sweetheart Maguire, Tobey Maguire & Jennifer Meyer's little girl. 
The two cute as can be kiddies were being wheeled around in a radio flyer wagon. Kingston hung on to Ruby as her mom followed closely with a nanny in tow.
